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Finding the Fourth Proportional to 9,156.48, 13,734.48 and 2,230.92

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Solution

The fourth proportional to 9,156.48, 13,734.48 and 2,230.92 is: 3,346.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,156.48 : 13,734.48 = 2,230.92 : x
  2. Step 2: Convert to fraction form
    9,156.48/13,734.48 = 2,230.92/x
  3. Step 3: Cross multiply
    9,156.48x = 13,734.48 × 2,230.92
  4. Step 4: Simplify right side
    9,156.48x = 30,640,526.12
  5. Step 5: Solve for x
    x = 30,640,526.12/9,156.48
  6. Step 6: Final answer
    x = 3,346.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.